You can assemble the board in advance and store it in a cool place, or even in your fridge if it is large enough. Remember to bring the board to room temperature before serving, as the meats and cheeses will have more flavor when they are a bit warmer.
You may think the quantity of jams and jellies listed above sounds excessive. The jams and jellies are my favorite component when they are combined with the pates, meats, and cheeses. The sweetness and acidity they add to the individual bites you assemble helps to balance out some of the richness and saltiness the comes from the other ingredients.